Home / 109,225,392.60-163,727,864.10-54,553,891.80

Finding the Fourth Proportional to 109,225,392.60, 163,727,864.10 and 54,553,891.80

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Solution

The fourth proportional to 109,225,392.60, 163,727,864.10 and 54,553,891.80 is: 81,775,784.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,225,392.60 : 163,727,864.10 = 54,553,891.80 : x
  2. Step 2: Convert to fraction form
    109,225,392.60/163,727,864.10 = 54,553,891.80/x
  3. Step 3: Cross multiply
    109,225,392.60x = 163,727,864.10 × 54,553,891.80
  4. Step 4: Simplify right side
    109,225,392.60x = 8,931,992,182,756,504
  5. Step 5: Solve for x
    x = 8,931,992,182,756,504/109,225,392.60
  6. Step 6: Final answer
    x = 81,775,784.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.